23289426 has 12 divisors (see below), whose sum is σ = 50460462. Its totient is φ = 7763136.

The previous prime is 23289397. The next prime is 23289443. The reversal of 23289426 is 62498232.

It can be written as a sum of positive squares in only one way, i.e., 16524225 + 6765201 = 4065^2 + 2601^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 646911 + ... + 646946.

Almost surely, 2^23289426 is an apocalyptic number.

23289426 is an abundant number, since it is smaller than the sum of its proper divisors (27171036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23289426 is a wasteful number, since it uses less digits than its factorization.

23289426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293865 (or 1293862 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 23289426 is about 4825.9119345467. The cubic root of 23289426 is about 285.5746117064.

The spelling of 23289426 in words is "twenty-three million, two hundred eighty-nine thousand, four hundred twenty-six".